20065465 has 8 divisors (see below), whose sum is σ = 27518400. Its totient is φ = 13759152.

The previous prime is 20065439. The next prime is 20065481. The reversal of 20065465 is 56456002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20065465 - 2⁷ = 20065337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286615 + ... + 286684.

It is an arithmetic number, because the mean of its divisors is an integer number (3439800).

Almost surely, 2^20065465 is an apocalyptic number.

It is an amenable number.

20065465 is a deficient number, since it is larger than the sum of its proper divisors (7452935).

20065465 is an equidigital number, since it uses as much as digits as its factorization.

20065465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573311.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 20065465 is about 4479.4491848887. The cubic root of 20065465 is about 271.7376046866.

The spelling of 20065465 in words is "twenty million, sixty-five thousand, four hundred sixty-five".